Facile preparation of chitin nanowhisker–gold nanocluster hybrids: effect of feeding ratio and surface amino group contents on gold absorption amount

Chitin nanowhiskers (ChNWs) hybridized with the densely adsorbed gold nanoclusters (AuNCs) were facilely prepared by a simple mixing of aqueous suspensions of ChNWs and AuNCs. Adsorption of AuNCs on the ChNW surface was confirmed by transmission electron microscopy and scanning electron microscopy w...

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Bibliographic Details
Published inPolymers for advanced technologies Vol. 28; no. 1; pp. 66 - 72
Main Authors Araki, Jun, Moriguchi, Yuki
Format Journal Article
LanguageEnglish
Published Bognor Regis Wiley Subscription Services, Inc 01.01.2017
Subjects
Absorption
Chitin
chitin nanowhiskers (ChNWs)
Combustion
Feeding
Gold
gold nanoclusters (AuNCs)
hybrid particles
Nanostructure
surface amino groups
Surface chemistry
thermogravimetry (TG)
Transmission electron microscopy
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Summary:Chitin nanowhiskers (ChNWs) hybridized with the densely adsorbed gold nanoclusters (AuNCs) were facilely prepared by a simple mixing of aqueous suspensions of ChNWs and AuNCs. Adsorption of AuNCs on the ChNW surface was confirmed by transmission electron microscopy and scanning electron microscopy with energy dispersive X‐ray spectroscopy. The amounts of adsorbed AuNCs measured by thermogravimetry and combustion using a muffle furnace were in good agreement. While the amount of adsorbed AuNCs increased with AuNCs/ChNWs feeding ratio, we found only a weak dependence of adsorbed AuNC amount on the surface amino group content of ChNWs controlled by pre‐deacetylation of the starting chitin. Copyright © 2016 John Wiley & Sons, Ltd.
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ISSN:1042-7147
1099-1581
DOI:10.1002/pat.3860